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Spicy Pickled Red Onions Recipe

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4 from 15 reviews

This vibrant and tangy recipe for Spicy Pickled Red Onions brings a zesty kick to any dish. Quick to prepare and bursting with flavors from jalapenos, garlic, and cilantro, these pickled onions are perfect as a topping for tacos, salads, sandwiches, or grilled meats. The pickling process softens the onions while infusing them with a sweet, spicy, and acidic punch that brightens up your meals.

  • Total Time: 55 minutes (including cooling and pickling time)
  • Yield: 1 jar (approximately 1 to 1.5 cups pickled onions)

Ingredients

Pickling Liquid

  • 3/4 cups water
  • 1 1/2 cups white vinegar
  • 1/2 cup white sugar
  • 3 cloves garlic, peeled and sliced

Vegetables & Herbs

  • 1 medium red onion, cut into rings or half moons
  • 2 jalapeno peppers, seeded and cut into rounds
  • 1/4 bunch cilantro, sprigs

Instructions

  1. Prepare Pickling Liquid: Add water, white vinegar, and white sugar to a saucepan. Cook over medium heat, stirring occasionally, until the sugar is fully dissolved and the liquid is just about to simmer.
  2. Add Garlic: Remove the saucepan from heat and stir in the peeled and sliced garlic cloves, allowing the flavors to infuse as the liquid cools slightly.
  3. Prepare Vegetables: Peel the red onion and slice it into rings or half moons depending on your preference. Remove seeds from the jalapenos and slice them into rounds to regulate heat.
  4. Pack Jars: Place the sliced red onion, jalapeno rounds, and fresh cilantro sprigs into clean storage jars, layering them evenly for maximal flavor distribution.
  5. Combine: Pour the warm pickling liquid over the onion, jalapeno, and cilantro mixture in the jars, making sure all ingredients are submerged.
  6. Cool and Store: Leave the jars at room temperature until the pickling liquid cools to room temperature. Seal the jars tightly with lids and refrigerate. Allow the onions to pickle for at least 1 hour before serving for best flavor, though they develop more depth after several hours or overnight.

Notes

  • For milder pickled onions, reduce the amount of jalapeno or remove all seeds.
  • Use clean, sterilized jars to prolong shelf life and maintain safety.
  • Pickled onions are best stored in the refrigerator and consumed within 2 weeks.
  • Customize the sweetness or acidity by adjusting sugar or vinegar amounts slightly to taste.
  • This pickling technique works well with other onions or thinly sliced vegetables like carrots or cucumbers.
  • Author: Chef
  • Prep Time: 15 minutes
  • Cook Time: 10 minutes
  • Category: Condiment
  • Method: Stovetop
  • Cuisine: Mexican
  • Diet: Vegan